package com.yjz.leetcode.LinkedHashMap;

import org.junit.Test;

import java.util.LinkedHashMap;

public class LinkedHashMapLearn {

    @Test
    public  void  linkedHashMapTest(){
        LinkedHashMap<String,String> map=new LinkedHashMap<>();
        map.put("name","张三");
        map.entrySet().iterator();
    }
}
